Forming Expressions

• 60 + y

• y = 60

• 60 - y

• 60y

• 33st

• 33

• 9t + 24s

• s + t = 9 + 24

A melon costs x pence and a carrot costs y pence. Work out the cost of 2 melons and 3 carrots.

• 5xy

• 2x + 3y

• 5

• 2x = 3y

• 4y + 6

• 2y + 3

• 10y

• 5y

Write an expression for the perimeter of the shape

• d + c

• 2d + 2c

• dc

• 4dc

Write an expression for the perimeter of this shape

• 14x + 6

• 7x + 3

• 10x

• 20x

Write an expression for the sum of the angles in this shape

• 7x

• 4x + 30

• x + 10

• 7x + 50

Write down an expression for Thomas' age.

• 3x

• x - 3

• x = 3

• x + 3

Write down an expression for David's age.

• 2x

• x + 2

• x = 2

• x2

Thomas is x - 3

David is 2x

Write down the total of all their ages added together.

• 3x - 3

• 3x + 3

• 4x - 3

• 7x